John Martindale

John Martindale is an accomplished business executive with extensive experience in leadership roles. As Chairman and CEO of Brothers Services Company since September 1986, John has demonstrated long-term commitment and strategic vision. Additionally, John serves as Principal at JM Growth Mentoring, LLC since November 2022 and has held significant positions such as Business Partner at Certified Contractors Network and Elder at LifePoint Church. John's contributions extend to various boards, including BBB|Greater Maryland and the Genesee Valley Outdoor Learning Center, as well as advisory roles with Owens Corning and the University of Baltimore Business School. John holds a Master of Business Administration (MBA) from Loyola University Maryland, completed between 2002 and 2004.